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# ResolverBase.pm: build library for sbuild
# Copyright © 2005 Ryan Murray <rmurray@debian.org>
# Copyright © 2005-2008 Roger Leigh <rleigh@debian.org>
# Copyright © 2008 Simon McVittie <smcv@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
#######################################################################
package Sbuild::AspcudResolver;
use strict;
use warnings;
use Sbuild::Base;
use Sbuild::ResolverBase;
BEGIN {
use Exporter ();
our (@ISA, @EXPORT);
@ISA = qw(Exporter Sbuild::ResolverBase);
@EXPORT = qw();
}
sub new {
my $class = shift;
my $conf = shift;
my $session = shift;
my $host = shift;
my $self = $class->SUPER::new($conf, $session, $host);
bless($self, $class);
return $self;
}
sub install_deps {
my $self = shift;
my $name = shift;
my @pkgs = @_;
my $status = 0;
my $session = $self->get('Session');
my $dummy_pkg_name = $self->get_sbuild_dummy_pkg_name($name);
# Call functions to setup an archive to install dummy package.
$self->log_subsubsection("Setup apt archive");
if (!$self->setup_apt_archive($dummy_pkg_name, @pkgs)) {
$self->log_error("Setting up apt archive failed\n");
return 0;
}
if (!$self->update_archive()) {
$self->log_error("Updating apt archive failed\n");
return 0;
}
$self->log_subsection("Install $name build dependencies (aspcud-based resolver)");
#install aspcud first:
my (@aspcud_installed_packages, @aspcud_removed_packages);
if (!$self->run_apt('-y', \@aspcud_installed_packages, \@aspcud_removed_packages, 'install', 'apt-cudf', 'aspcud')) {
$self->log_warning('Could not install aspcud!');
goto cleanup;
}
$self->set_installed(@aspcud_installed_packages);
$self->set_removed(@aspcud_removed_packages);
# Install the dummy package
my (@instd, @rmvd);
$self->log("Installing build dependencies\n");
my @apt_args = ("-yf", \@instd, \@rmvd);
push @apt_args, 'install', $dummy_pkg_name;
push @apt_args, '--solver', 'aspcud',
'-o', 'APT::Solver::Strict-Pinning=false',
'-o', 'APT::Solver::aspcud::Preferences='.$self->get_conf('ASPCUD_CRITERIA');
if (!$self->run_apt(@apt_args)) {
$self->log("Package installation failed\n");
if (defined ($self->get('Session')->get('Session Purged')) &&
$self->get('Session')->get('Session Purged') == 1) {
$self->log("Not removing build depends: cloned chroot in use\n");
} else {
$self->set_installed(@instd);
$self->set_removed(@rmvd);
goto package_cleanup;
}
return 0;
}
$self->set_installed(@instd);
$self->set_removed(@rmvd);
$status = 1;
package_cleanup:
if ($status == 0) {
if (defined ($session->get('Session Purged')) &&
$session->get('Session Purged') == 1) {
$self->log("Not removing installed packages: cloned chroot in use\n");
} else {
$self->uninstall_deps();
}
}
cleanup:
return $status;
}
sub purge_extra_packages {
my $self = shift;
my $name = shift;
my $dummy_pkg_name = $self->get_sbuild_dummy_pkg_name($name);
my $session = $self->get('Session');
# we retrieve the list of installed Essential:yes packages because these
# must not be removed
my $pipe = $session->pipe_command({
COMMAND => [ 'dpkg-query', '--showformat', '${Essential} ${Package}\\n', '--show' ],
USER => $self->get_conf('BUILD_USER')
});
if (!$pipe) {
$self->log_error("unable to execute dpkg-query\n");
return 0;
}
my @essential;
while (my $line = <$pipe>) {
chomp $line;
if ($line !~ /^yes ([a-zA-Z0-9][a-zA-Z0-9+.-]*)$/) {
next;
}
push @essential, "$1+";
}
close $pipe;
if (scalar @essential == 0) {
$self->log_error("no essential packages found \n");
return 0;
}
# the /dev/null prevents acpcud from even looking at external repositories, so all it can do is remove stuff
# it is also much faster that way
my (@instd, @rmvd);
$self->run_apt("-yf", \@instd, \@rmvd, 'autoremove',
@essential, $self->get_sbuild_dummy_pkg_name('core') . '+', "$dummy_pkg_name+",
'--solver', 'aspcud',
'-o', 'APT::Solver::aspcud::Preferences=+removed',
'-o', 'Dir::State::Lists=/dev/null',
'--allow-remove-essential');
}
1;
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